\begin{tikzpicture}
    \draw (0,0) -- (6,0);

    \foreach \x in {0.2, 0.4, ..., 6} {
        \draw (\x, 0.2) -- (\x, 0);
    }

    \foreach \x in {0, 2, ..., 6} {
        \draw (\x, 0.3) -- (\x, 0);
    }

    \foreach \x/\text in {1/37, 3/38, 5/39} {
        \draw (\x, 0) -- (\x, 0.4) node [above] {$\text$};
    }

    \filldraw [pattern=north west lines, thick] (2, 0) rectangle (4, -0.3);

    \draw [|-|] (1.2, -1.3) -- (3.2, -1.3) node [pos=0.5, above] {万公里};
\end{tikzpicture}
